1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * MPC85xx DS Board Setup 4 * 5 * Author Xianghua Xiao (x.xiao@freescale.com) 6 * Roy Zang <tie-fei.zang@freescale.com> 7 * - Add PCI/PCI Exprees support 8 * Copyright 2007 Freescale Semiconductor Inc. 9 */ 10 11 #include <linux/stddef.h> 12 #include <linux/kernel.h> 13 #include <linux/pci.h> 14 #include <linux/kdev_t.h> 15 #include <linux/delay.h> 16 #include <linux/seq_file.h> 17 #include <linux/interrupt.h> 18 #include <linux/of_irq.h> 19 #include <linux/of_platform.h> 20 21 #include <asm/time.h> 22 #include <asm/machdep.h> 23 #include <asm/pci-bridge.h> 24 #include <mm/mmu_decl.h> 25 #include <asm/udbg.h> 26 #include <asm/mpic.h> 27 #include <asm/i8259.h> 28 #include <asm/swiotlb.h> 29 #include <asm/ppc-pci.h> 30 31 #include <sysdev/fsl_soc.h> 32 #include <sysdev/fsl_pci.h> 33 #include "smp.h" 34 35 #include "mpc85xx.h" 36 37 static void __init mpc85xx_ds_pic_init(void) 38 { 39 struct mpic *mpic; 40 int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU; 41 42 if (of_machine_is_compatible("fsl,MPC8572DS-CAMP")) 43 flags |= MPIC_NO_RESET; 44 45 mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC "); 46 47 if (WARN_ON(!mpic)) 48 return; 49 50 mpic_init(mpic); 51 52 mpc85xx_8259_init(); 53 } 54 55 /* 56 * Setup the architecture 57 */ 58 static void __init mpc85xx_ds_setup_arch(void) 59 { 60 if (ppc_md.progress) 61 ppc_md.progress("mpc85xx_ds_setup_arch()", 0); 62 63 swiotlb_detect_4g(); 64 fsl_pci_assign_primary(); 65 uli_init(); 66 mpc85xx_smp_init(); 67 68 pr_info("MPC85xx DS board from Freescale Semiconductor\n"); 69 } 70 71 machine_arch_initcall(mpc8544_ds, mpc85xx_common_publish_devices); 72 machine_arch_initcall(mpc8572_ds, mpc85xx_common_publish_devices); 73 74 define_machine(mpc8544_ds) { 75 .name = "MPC8544 DS", 76 .compatible = "MPC8544DS", 77 .setup_arch = mpc85xx_ds_setup_arch, 78 .init_IRQ = mpc85xx_ds_pic_init, 79 #ifdef CONFIG_PCI 80 .pcibios_fixup_bus = fsl_pcibios_fixup_bus, 81 .pcibios_fixup_phb = fsl_pcibios_fixup_phb, 82 #endif 83 .get_irq = mpic_get_irq, 84 .progress = udbg_progress, 85 }; 86 87 define_machine(mpc8572_ds) { 88 .name = "MPC8572 DS", 89 .compatible = "fsl,MPC8572DS", 90 .setup_arch = mpc85xx_ds_setup_arch, 91 .init_IRQ = mpc85xx_ds_pic_init, 92 #ifdef CONFIG_PCI 93 .pcibios_fixup_bus = fsl_pcibios_fixup_bus, 94 .pcibios_fixup_phb = fsl_pcibios_fixup_phb, 95 #endif 96 .get_irq = mpic_get_irq, 97 .progress = udbg_progress, 98 }; 99